Mirrors/Stirling-PDF
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possible fixes for overlay

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This commit is contained in:
Anthony Stirling 2023-12-17 12:35:50 +00:00
parent 39345bb6bb
commit 5774a22b64
2 changed files with 14 additions and 10 deletions
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2
build.gradle
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@ -8,7 +8,7 @@ plugins {
} }
group = 'stirling.software' group = 'stirling.software'
version = '0.17.0' version = '0.17.1'
sourceCompatibility = '17' sourceCompatibility = '17'
repositories { repositories {

18
src/main/java/stirling/software/SPDF/controller/api/PdfOverlayController.java
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@ -55,8 +55,9 @@ public class PdfOverlayController {
ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
overlay.overlay(overlayGuide).save(outputStream); overlay.overlay(overlayGuide).save(outputStream);
byte[] data = outputStream.toByteArray(); byte[] data = outputStream.toByteArray();
String outputFilename = baseFile.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_overlayed.pdf"; // Remove file extension and append .pdf
return WebResponseUtils.bytesToWebResponse(data, "overlaid.pdf", MediaType.APPLICATION_PDF); return WebResponseUtils.bytesToWebResponse(data, outputFilename, MediaType.APPLICATION_PDF);
} }
} finally { } finally {
for (File overlayPdfFile : overlayPdfFiles) { for (File overlayPdfFile : overlayPdfFiles) {
@ -84,17 +85,20 @@ public class PdfOverlayController {
} }
private void sequentialOverlay(Map<Integer, String> overlayGuide, File[] overlayFiles, int basePageCount) throws IOException { private void sequentialOverlay(Map<Integer, String> overlayGuide, File[] overlayFiles, int basePageCount) throws IOException {
int currentPage = 1; if (overlayFiles.length != 1 || basePageCount != PDDocument.load(overlayFiles[0]).getNumberOfPages()) {
for (File overlayFile : overlayFiles) { throw new IllegalArgumentException("Overlay file count and base page count must match for sequential overlay.");
}
File overlayFile = overlayFiles[0];
try (PDDocument overlayPdf = PDDocument.load(overlayFile)) { try (PDDocument overlayPdf = PDDocument.load(overlayFile)) {
for (int i = 0; i < overlayPdf.getNumberOfPages(); i++) { for (int i = 1; i <= overlayPdf.getNumberOfPages(); i++) {
if (currentPage > basePageCount) break; if (i > basePageCount) break;
overlayGuide.put(currentPage++, overlayFile.getAbsolutePath()); overlayGuide.put(i, overlayFile.getAbsolutePath());
}
} }
} }
} }
private void interleavedOverlay(Map<Integer, String> overlayGuide, File[] overlayFiles, int basePageCount) throws IOException { private void interleavedOverlay(Map<Integer, String> overlayGuide, File[] overlayFiles, int basePageCount) throws IOException {
for (int i = 0; i < basePageCount; i++) { for (int i = 0; i < basePageCount; i++) {
File overlayFile = overlayFiles[i % overlayFiles.length]; File overlayFile = overlayFiles[i % overlayFiles.length];